INTERSTITIAL
interstitial
(adjective) of or relating to interstices
Source: WordNet® 3.1
Etymology
Adjective
interstitial (comparative more interstitial, superlative most interstitial)
Of, relating to, or situated in an interstice.
Noun
interstitial (plural interstitials)
(Internet, advertising) A webpage, usually carrying advertising, displayed when leaving one content page for another.
(physics) An interstitial discontinuity in a crystal.
Source: Wiktionary
In`ter*sti"tial, a.
Definition: Of or pertaining to interstices; intermediate; within the
tissues; as, interstitial cavities or spaces in the tissues of
animals or plants.
Source: Webster’s Unabridged Dictionary 1913 Edition